CN103369431B - Sonification system - Google Patents
Sonification system Download PDFInfo
- Publication number
- CN103369431B CN103369431B CN201310302489.3A CN201310302489A CN103369431B CN 103369431 B CN103369431 B CN 103369431B CN 201310302489 A CN201310302489 A CN 201310302489A CN 103369431 B CN103369431 B CN 103369431B
- Authority
- CN
- China
- Prior art keywords
- frequency signal
- voice coil
- vibrating diaphragm
- sub
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/07—Generation or adaptation of the Low Frequency Effect [LFE] channel, e.g. distribution or signal processing
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
Sonification system of the present invention comprises sound-producing device, signal source, some filters and some blenders, this sound-producing device comprise the vibrating diaphragm with multiple sub-vibrating diaphragm and with sub-vibrating diaphragm voice coil loudspeaker voice coil one to one, the exportable multiple signal of this sound generation source, corresponding sub-diaphragm oscillations sounding is driven respectively by voice coil loudspeaker voice coil by filter synthesis different driving signal, the stereophonic effect of home theater can be realized on a sound-producing device, there is good wideband response characteristic and LF-response frequency.
Description
[technical field]
The present invention relates to a kind of sonification system, especially a kind of sonification system that can realize stereophonic effect on miniature sound-producing device.
[background technology]
Along with the arrival in mobile Internet epoch, the quantity of Intelligent mobile equipment constantly rises, as mobile phone, and panel computer etc.At present, the function of mobile device and various, one of them is the music function of high-quality, and sound-producing device is wherein one of necessary requirement realizing this high-quality music function.Current mobile device, in order to realize better acoustic efficiency, usually adopts multitone ring sound-producing device, can realize stereo like this and increase the loudness of equipment.Household audio and video system adopts 2.1 sound channel systems, i.e. a pair full-range cabinet and a subwoofer, or 5.1 sound channel systems, achieved good acoustics and experienced, compared with existing household audio and video system, existing mobile device sound-producing device does not have reasonable LF-response and wideband response.
A kind of Novel sounding system that can realize stereophonic effect on a sound-producing device is provided to solve the problem.
[summary of the invention]
The invention provides a kind of sonification system, it is characterized in that, described sonification system is provided with:
Sound-producing device, it comprises vibrating diaphragm, described vibrating diaphragm is provided with the first sub-vibrating diaphragm, the second sub-vibrating diaphragm and connects the fold of the first sub-vibrating diaphragm and the second sub-vibrating diaphragm, and described sound-producing device is also provided with vibrating diaphragm with first and the second sub-vibrating diaphragm the first corresponding voice coil loudspeaker voice coil and the second voice coil loudspeaker voice coil respectively;
Signal source, exports left channel signals L and right-channel signals R;
First high pass filter, for receiving left channel signals L, exports the first high-frequency signal;
First low pass filter, for receiving left channel signals L, exports the first low frequency signal;
Second high pass filter, for receiving right-channel signals R, exports the second high-frequency signal;
Second low pass filter, for receiving right-channel signals R, exports the second low frequency signal;
First blender, for mixing the first low frequency signal and the second low frequency signal, output low frequency signal;
A pair second blenders, are respectively used to mixing of low frequency signal and the first high-frequency signal, and the mixing of low frequency signal and the second high-frequency signal, and export the first drive singal and the second drive singal respectively;
Described first drive singal drives the first sub-vibrating diaphragm sounding by the first voice coil loudspeaker voice coil; Described second drive singal drives the second sub-vibrating diaphragm sounding by the second voice coil loudspeaker voice coil.
The present invention also provides a kind of sonification system, it is characterized in that, described sonification system is provided with:
Sound-producing device, it comprises a vibrating diaphragm, described vibrating diaphragm is provided with the first sub-vibrating diaphragm, the second sub-vibrating diaphragm, the 3rd sub-vibrating diaphragm, the 4th sub-vibrating diaphragm, the 5th sub-vibrating diaphragm and connects the fold be connected between two sub-vibrating diaphragms, and described sound-producing device is also provided with first voice coil loudspeaker voice coil, second voice coil loudspeaker voice coil, three voice coil loudspeaker voice coil, four voice coil loudspeaker voice coil and the five notes of traditional Chinese music circle corresponding respectively with sub-vibrating diaphragm;
Signal source, exports center channel signal M, preposition left channel signals L1, preposition right-channel signals R1, rearmounted left surround channel signal L2, rearmounted right surround channel signal R2;
First high pass filter, for receiving preposition left channel signals L1, exports the first high-frequency signal;
First low pass filter, for receiving preposition left channel signals L1, exports the first low frequency signal;
Second high pass filter, for receiving rearmounted left surround channel signal L2, exports the second high-frequency signal;
Second low pass filter, for receiving rearmounted left surround channel signal L2, exports the second low frequency signal;
Third high bandpass filter, for receiving center channel signal M, exports third high signal frequently;
3rd low pass filter, for receiving center channel signal M, exports the 3rd low frequency signal;
4th high pass filter, for receiving preposition right-channel signals R1, exports the 4th high-frequency signal;
4th low pass filter, for receiving preposition right-channel signals R1, exports the 4th low frequency signal;
5th high pass filter, for receiving rearmounted right surround channel signal R2, exports the 5th high-frequency signal;
5th low pass filter, for receiving rearmounted right surround channel signal R2, exports the 5th high-frequency signal;
First blender, for mixing the first low frequency signal, the second low frequency signal.3rd low frequency signal, the 4th low frequency signal and the 5th low frequency signal, output low frequency signal;
Five the second blenders, be respectively used to low frequency signal and the first high-frequency signal, the second high-frequency signal, third high the mixing of signal, the 4th high-frequency signal and the 5th high-frequency signal frequently, export the first drive singal, the second drive singal, the 3rd drive singal, four-wheel drive signal and the 5th drive singal respectively;
Described first drive singal drives the first sub-vibrating diaphragm sounding by the first voice coil loudspeaker voice coil, second drive singal drives the second sub-vibrating diaphragm sounding by the second voice coil loudspeaker voice coil, 3rd drive singal drives the 3rd sub-vibrating diaphragm sounding by the 3rd voice coil loudspeaker voice coil, four-wheel drive signal drives the 4th sub-vibrating diaphragm sounding by the 4th voice coil loudspeaker voice coil, and the 5th drive singal drives the 5th sub-vibrating diaphragm sounding by five notes of traditional Chinese music circle.
The present invention also provides a kind of sonification system, it is characterized in that, described sonification system is provided with:
Sound-producing device, it comprises a vibrating diaphragm, and described vibrating diaphragm has n sub-vibrating diaphragm, and be provided with fold between adjacent two sub-vibrating diaphragms, described sound-producing device is also provided with and sub-vibrating diaphragm n voice coil loudspeaker voice coil one to one;
Signal source, for exporting the acoustic signal of n sound channel;
N high pass filter, is respectively used to the acoustic signal receiving n sound channel, exports n high-frequency signal;
N low pass filter, is respectively used to the acoustic signal receiving n sound channel, exports n low frequency signal;
First blender, for mixing this n low frequency signal, exports a total low frequency signal;
N the second blender, is respectively used to mix this total low frequency signal and n high-frequency signal, exports n drive singal;
A described n drive singal drives this n sub-vibrating diaphragm respectively by n voice coil loudspeaker voice coil.
Preferably, described signal processing module is also provided with noise reduction system.
Preferably, described noise reduction system is the one in Dolby system, DTS.
Sonification system of the present invention, by synthesizing multiple drive singal to the process of signal, drives each sub-vibrating diaphragm Independent Vibration sounding respectively by multiple voice coil loudspeaker voice coil, can realize the stereophonic effect of home theater on a sound-producing device.
[accompanying drawing explanation]
Fig. 1 is the three-dimensional exploded view of sound-producing device of the present invention;
Fig. 2 is the principle schematic of the first execution mode of sonification system of the present invention;
Fig. 3 is the principle schematic of sonification system the second execution mode of the present invention.
[embodiment]
Below in conjunction with drawings and embodiments, the invention will be further described.
As shown in Figure 1, for the three-dimensional exploded view of a kind of execution mode of sound-producing device of the present invention, sound-producing device 100, it comprises the frame 3 with receiving space, at least two magnetic circuit systems 10 be contained in frame 3, be immobilizated in vibrating diaphragm 2 in frame 3 and with magnetic circuit system 10 multiple voice coil loudspeaker voice coil 4 one to one.
Described sound-producing device has multiple magnetic circuit system 10, described magnetic circuit system 10 comprise magnetic bowl 13, fixing and magnetic bowl 13 magnet steel 11 and be attached at the pole piece 12 on magnet steel surface.Magnet steel 11 comprises main magnet steel 111 and the secondary magnet steel 112 around main magnet steel 111.Pole piece 12 comprises the first pole piece 121 being attached at main magnet steel 111 and the second movement 122 being attached at secondary magnet steel 112.Magnetic gap (non-label) is formed between main magnet steel 111 and secondary magnet steel 112.Described secondary magnet steel 112 can be an entirety in the form of a ring also can be Split type structure.In the present embodiment, secondary magnet steel 112 is for laying respectively at two strip magnet steel of main magnet steel both sides.Certainly, the quantity of secondary magnet steel 112 is not limited to two, also can be arrange around main magnet steel 111 three, four even more several magnet steel, the shape of main magnet steel is also not limited thereto, as long as be evenly distributed, ensure to form the stable magnetic gap of field homogeneity, even if can implement.Also it should be noted that, the secondary magnet steel of adjacent two magnetic circuit systems can be Split type structure, separated by a distance each other, also can be structure as a whole, and forms magnetic gap with the main magnet steel of two magnetic circuit systems respectively.In the present embodiment, be the latter.
Magnetic bowl 13 can think to have the bowl-shape of multiple resettlement section, can be also tabular, as long as can place magnet portion (as magnet steel) and have the side fixing with frame, is namely feasible.In the present embodiment, for having the base plate 131 placing magnet and the side plate 132 bending extension from base plate 131.In the present embodiment, the magnetic bowl 13 of multiple magnetic circuit system 10 is formed in one.Certainly, in other execution modes selectable, also can for split.
Vibrating diaphragm 2 comprises the multiple sub-vibrating diaphragm 21 of hot pressing or punching press formation, and every sub-vibrating diaphragm 21 is respectively arranged with ball top 211 and ring 212.Described vibrating diaphragm 2 is overlapped in frame 3, and the quantity of sub-vibrating diaphragm 21 is consistent with the quantity of magnetic circuit system 10.Vibrating diaphragm 2 is also provided with between adjacent two sub-vibrating diaphragms 21, connects the fold 22 of adjacent two sub-vibrating diaphragms 21.This sound-producing device also comprises the protecgulum 5 be covered in frame 3.
The quantity of voice coil loudspeaker voice coil 4 is identical with the quantity of sub-vibrating diaphragm 21 with magnetic circuit system 10, ordinary circumstance, is 2 or 5.Each voice coil loudspeaker voice coil 4 is inserted in the magnetic gap (non-label) of each magnetic circuit system 10 respectively.Each voice coil loudspeaker voice coil 4 passes into different audio signals respectively, independently drives the sub-vibrating diaphragm of its correspondence.In the present embodiment, the quantity of voice coil loudspeaker voice coil 4 and sub-vibrating diaphragm 21 is 2, and voice coil loudspeaker voice coil 4 comprises the first voice coil loudspeaker voice coil 41 and the second voice coil loudspeaker voice coil 42, and vibrating diaphragm 2 is provided with the first sub-vibrating diaphragm 2101 and the second sub-vibrating diaphragm 2102.
Shown in Fig. 2, for a kind of sonification system, can realize the sounding effect of 2.1 sound channels, it comprises sound-producing device 100 as above, and this sonification system also comprises the first high pass filter, the first low pass filter, the second high pass filter, the second low pass filter and multiple blender.First low pass filter and the second low pass filter both can be identical parameters, also can be different parameters.Same, the first high pass filter namely can be identical with the parameter of the second high pass filter, also can be different.
This sonification system also comprises signal source, and this signal source can export left channel signals L and right-channel signals R, and left channel signals L obtains the first high-frequency signal by the first high pass filter, obtains the first low frequency signal by the first low pass filter.Meanwhile, right-channel signals R obtains the second low frequency signal by the second low pass filter, obtains the second high-frequency signal by the second high pass filter.
Blender 6 comprises the first blender 61 and a pair second blenders 62.First blender 61 is for receiving and mixing low frequency signal, and the second blender 62 is for receiving and mixing low frequency signal and high-frequency signal.First low frequency signal and the second low frequency signal are mixed into a low frequency signal by the first blender 61, described low frequency signal and the first high-frequency signal obtain the first drive singal by the second blender 62, described low frequency signal and the second high-frequency signal obtain the second drive singal by the second blender 62, described first drive singal drives 41 dynamic first sub-vibrating diaphragm 2101 sounding by the first voice coil loudspeaker voice coil, and described second drive singal drives the second sub-vibrating diaphragm 2102 sounding by the second voice coil loudspeaker voice coil 42.Because the first drive singal comprises the low frequency signal that the first high-frequency signal and left channel signals mix with the low frequency signal picked up in right-channel signals.Second drive singal comprises the low frequency signal that the second high-frequency signal and left channel signals mix with the low frequency signal picked up in right-channel signals.First drive singal and the separate work of the second drive singal, can produce two kinds of high frequency sounding and a kind of low frequency sounding on same vibrating diaphragm 2 simultaneously.Namely achieve the acoustic efficiency of existing 2.1 home theaters, realize better stereophonic effect and there is better LF-response and wideband response.
As shown in Figure 3, be another embodiment of the invention, a kind of sonification system, can realize the sounding effect of 5.1 sound channels, and it comprises sound-producing device 100 as above.In the present embodiment, the quantity of the voice coil loudspeaker voice coil 4 of described sound-producing device 100 is 5, comprise the first voice coil loudspeaker voice coil 41 ', second voice coil loudspeaker voice coil 42 ', 3rd voice coil loudspeaker voice coil 43 ', the 4th voice coil loudspeaker voice coil 44 ' and five notes of traditional Chinese music circle 45 ', with it one to one, vibrating diaphragm 2 has 5 sub-vibrating diaphragms 21, is designated as the first sub-vibrating diaphragm, the second sub-vibrating diaphragm, the 3rd sub-vibrating diaphragm, the 4th sub-vibrating diaphragm and the 5th sub-vibrating diaphragm respectively.
This sonification system also comprises the first high pass filter, the first low pass filter, the second high pass filter, the second low pass filter, third high bandpass filter, the 3rd low pass filter, the 4th high pass filter, the 4th low pass filter, the 5th high pass filter, the 5th low pass filter and multiple blender.Wherein five low pass filters both can be identical parameters, also can be different parameters; Same, namely five high pass filters can be identical parameters, also can be different parameters.
This sonification system also comprises signal source, and described signal source can export center channel signal M, preposition left channel signals L1, preposition right-channel signals R1, rearmounted left surround channel signal L2, rearmounted right surround channel signal R2.Preposition left channel signals L1 obtains the first high-frequency signal by the first high pass filter, obtains the first low frequency signal by the first low pass filter; Rearmounted left surround channel signal L2 obtains the second high-frequency signal by the second high pass filter, obtains the second low frequency signal by the second low pass filter; Center channel signal M obtains third high signal frequently by third high bandpass filter, obtains the 3rd low frequency signal by the 3rd low pass filter; Preposition right-channel signals R1 obtains the 4th high-frequency signal by the 4th high pass filter, obtains the 4th low frequency signal by the 4th low pass filter; Rearmounted right surround channel signal R2 obtains the 5th high-frequency signal by the 5th high pass filter, obtains the 5th low frequency signal by the 5th low pass filter.
Blender 6 ' comprises the first blender 61 ' and five the second blenders 62 '.First blender 61 ' is for receiving and mixing low frequency signal, and the second blender 62 ' is for receiving and mixing low frequency signal and high-frequency signal.First low frequency signal, the second low frequency signal, the 3rd low frequency signal, the 4th low frequency signal and the 5th low frequency signal synthesize low frequency signal by the first blender 61 '.Frequently signal, the 4th high-frequency signal and the 5th high-frequency signal are mixed into the first drive singal, the second drive singal, the 3rd drive singal, four-wheel drive signal and the 5th drive singal by the second blender 62 ' to this low frequency signal with the first high-frequency signal, the second high-frequency signal, third high respectively.First drive singal drives 41 ' dynamic first sub-vibrating diaphragm sounding by the first voice coil loudspeaker voice coil, second drive singal drives the second sub-vibrating diaphragm sounding by the second voice coil loudspeaker voice coil 42 ', 3rd drive singal drives the 3rd sub-vibrating diaphragm sounding by the 3rd voice coil loudspeaker voice coil 43 ', four-wheel drive signal drives the 4th sub-vibrating diaphragm sounding by the 4th voice coil loudspeaker voice coil 44 ', and the 5th drive singal drives the 5th sub-vibrating diaphragm sounding by five notes of traditional Chinese music circle 45 '.Often kind of separate work of drive singal, corresponding sub-vibrating diaphragm sounding is driven respectively by voice coil loudspeaker voice coil corresponding with it, therefore on a vibrating diaphragm, 5 kinds of different high frequency sounding and a kind of low frequency sounding can be sent simultaneously, thus can realize the acoustic efficiency of 5.1 channel home theater, realize better stereophonic effect and there is better LF-response and wideband response.
Certainly, these are only several embodiments of the present invention, in other execution modes optional, in described sound-producing device 100, the quantity of voice coil loudspeaker voice coil 4 and sub-vibrating diaphragm 21 can be arbitrary value, as long as voice coil loudspeaker voice coil 4 and sub-vibrating diaphragm 21 one_to_one corresponding, is namely feasible.If represent the quantity of voice coil loudspeaker voice coil 4 and sub-vibrating diaphragm with n.
Sound-producing device, comprises a vibrating diaphragm, and described vibrating diaphragm has n sub-vibrating diaphragm, and be provided with fold between adjacent two sub-vibrating diaphragms, described sound-producing device is also provided with and sub-vibrating diaphragm n voice coil loudspeaker voice coil one to one.Signal source, for exporting the acoustic signal of n sound channel; Corresponding, this sonification system is provided with and n sound channel n high pass filter, a n low pass filter, first blender and n the second blender one to one, and its circuit is revised accordingly simultaneously.N high pass filter, is respectively used to the acoustic signal receiving n sound channel, exports n high-frequency signal; N low pass filter, is respectively used to the acoustic signal receiving n sound channel, exports n low frequency signal; First blender, for mixing this n low frequency signal, exports a total low frequency signal; N the second blender, is respectively used to mix this total low frequency signal and n high-frequency signal, exports n drive singal; A described n drive singal drives this n sub-vibrating diaphragm respectively by n voice coil loudspeaker voice coil.
Due to the existence of fold 22, the leakage of signal between adjacent two voice coil loudspeaker voice coils 4 can be prevented, realize relatively independent ground vibration sounding between multiple sub-vibrating diaphragm, and do not produce larger interference each other.
This signal processing system can also be provided with noise reduction system, and its noise reduction system can be and be not limited to be Dolby system, DTS(Digital Transformation Systems, data transmission system).Like this can noise decrease, amplifying signal, reaches better acoustic efficiency.
Sonification system of the present invention, by synthesizing multiple drive singal to the process of signal, drives each sub-vibrating diaphragm Independent Vibration sounding respectively by multiple voice coil loudspeaker voice coil, can realize the stereophonic effect of home theater on a sound-producing device.
Above-described is only better embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art at this, without departing from the concept of the premise of the invention, can also make improvement, but these all belongs to protection scope of the present invention.
Claims (5)
1. a sonification system, is characterized in that, described sonification system is provided with:
Sound-producing device, it comprises a vibrating diaphragm, described vibrating diaphragm is provided with the first sub-vibrating diaphragm, the second sub-vibrating diaphragm and connects the fold of the first sub-vibrating diaphragm and the second sub-vibrating diaphragm, and described sound-producing device is also provided with vibrating diaphragm with first and the second sub-vibrating diaphragm the first corresponding voice coil loudspeaker voice coil and the second voice coil loudspeaker voice coil respectively;
Signal source, for exporting left channel signals L and right-channel signals R;
First high pass filter, for receiving left channel signals L, exports the first high-frequency signal;
First low pass filter, for receiving left channel signals L, exports the first low frequency signal;
Second high pass filter, for receiving right-channel signals R, exports the second high-frequency signal;
Second low pass filter, for receiving right-channel signals R, exports the second low frequency signal;
First blender, for mixing the first low frequency signal and the second low frequency signal, output low frequency signal;
A pair second blenders, are respectively used to mixing of low frequency signal and the first high-frequency signal, and the mixing of low frequency signal and the second high-frequency signal, and export the first drive singal and the second drive singal respectively;
Described first drive singal drives the first sub-vibrating diaphragm sounding by the first voice coil loudspeaker voice coil; Described second drive singal drives the second sub-vibrating diaphragm sounding by the second voice coil loudspeaker voice coil.
2. a sonification system, is characterized in that, described sonification system is provided with:
Sound-producing device, it comprises a vibrating diaphragm, described vibrating diaphragm is provided with the first sub-vibrating diaphragm, the second sub-vibrating diaphragm, the 3rd sub-vibrating diaphragm, the 4th sub-vibrating diaphragm, the 5th sub-vibrating diaphragm and connects the fold be connected between two sub-vibrating diaphragms, and described sound-producing device is also provided with first voice coil loudspeaker voice coil, second voice coil loudspeaker voice coil, three voice coil loudspeaker voice coil, four voice coil loudspeaker voice coil and the five notes of traditional Chinese music circle corresponding respectively with sub-vibrating diaphragm;
Signal source, exports center channel signal M, preposition left channel signals L1, preposition right-channel signals R1, rearmounted left surround channel signal L2, rearmounted right surround channel signal R2;
First high pass filter, for receiving preposition left channel signals L1, exports the first high-frequency signal;
First low pass filter, for receiving preposition left channel signals L1, exports the first low frequency signal;
Second high pass filter, for receiving rearmounted left surround channel signal L2, exports the second high-frequency signal;
Second low pass filter, for receiving rearmounted left surround channel signal L2, exports the second low frequency signal;
Third high bandpass filter, for receiving center channel signal M, exports third high signal frequently;
3rd low pass filter, for receiving center channel signal M, exports the 3rd low frequency signal;
4th high pass filter, for receiving preposition right-channel signals R1, exports the 4th high-frequency signal;
4th low pass filter, for receiving preposition right-channel signals R1, exports the 4th low frequency signal;
5th high pass filter, for receiving rearmounted right surround channel signal R2, exports the 5th high-frequency signal;
5th low pass filter, for receiving rearmounted right surround channel signal R2, exports the 5th high-frequency signal;
First blender, for mixing the first low frequency signal, the second low frequency signal, the 3rd low frequency signal, the 4th low frequency signal and the 5th low frequency signal, output low frequency signal;
Five the second blenders, be respectively used to low frequency signal and the first high-frequency signal, the second high-frequency signal, third high the mixing of signal, the 4th high-frequency signal and the 5th high-frequency signal frequently, export the first drive singal, the second drive singal, the 3rd drive singal, four-wheel drive signal and the 5th drive singal respectively;
Described first drive singal drives the first sub-vibrating diaphragm sounding by the first voice coil loudspeaker voice coil, second drive singal drives the second sub-vibrating diaphragm sounding by the second voice coil loudspeaker voice coil, 3rd drive singal drives the 3rd sub-vibrating diaphragm sounding by the 3rd voice coil loudspeaker voice coil, four-wheel drive signal drives the 4th sub-vibrating diaphragm sounding by the 4th voice coil loudspeaker voice coil, and the 5th drive singal drives the 5th sub-vibrating diaphragm sounding by five notes of traditional Chinese music circle.
3. a sonification system, is characterized in that, described sonification system is provided with:
Sound-producing device, it comprises a vibrating diaphragm, and described vibrating diaphragm has n sub-vibrating diaphragm, and be provided with fold between adjacent two sub-vibrating diaphragms, described sound-producing device is also provided with and sub-vibrating diaphragm n voice coil loudspeaker voice coil one to one;
Signal source, for exporting the acoustic signal of n sound channel;
N high pass filter, is respectively used to the acoustic signal receiving n sound channel, exports n high-frequency signal;
N low pass filter, is respectively used to the acoustic signal receiving n sound channel, exports n low frequency signal;
First blender, for mixing this n low frequency signal, exports a total low frequency signal;
N the second blender, is respectively used to mix this total low frequency signal and n high-frequency signal, exports n drive singal;
A described n drive singal drives this n sub-vibrating diaphragm respectively by n voice coil loudspeaker voice coil.
4. the sonification system of any one according to claim 1-3, is characterized in that: described sonification system is also provided with noise reduction system.
5. sonification system according to claim 4, is characterized in that: described noise reduction system is the one in Dolby system, DTS.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310302489.3A CN103369431B (en) | 2013-07-18 | 2013-07-18 | Sonification system |
| US14/332,515 US9288600B2 (en) | 2013-07-18 | 2014-07-16 | Sound generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310302489.3A CN103369431B (en) | 2013-07-18 | 2013-07-18 | Sonification system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103369431A CN103369431A (en) | 2013-10-23 |
| CN103369431B true CN103369431B (en) | 2015-08-12 |
Family
ID=49369788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310302489.3A Active CN103369431B (en) | 2013-07-18 | 2013-07-18 | Sonification system |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US9288600B2 (en) |
| CN (1) | CN103369431B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203632854U (en) * | 2013-09-25 | 2014-06-04 | 瑞声科技(沭阳)有限公司 | Electro-acoustic device |
| CN107302740A (en) * | 2016-04-15 | 2017-10-27 | 美律电子(深圳)有限公司 | Have the sound source signal processing method and its device of the common cavity type back of the body case design speaker system of phase reversal attenuation characteristic |
| CN106170114A (en) * | 2016-09-28 | 2016-11-30 | 维沃移动通信有限公司 | Control method, device and the audio-frequence player device of a kind of audio frequency output |
| CN106792401A (en) * | 2017-03-16 | 2017-05-31 | 深圳精拓创新科技有限公司 | Surround sound loudspeaker unit and circular sound field generation method |
| CN111866672B (en) * | 2020-08-03 | 2021-03-30 | 苏州索迩电子技术有限公司 | Screen sounding device, method, storage medium and terminal equipment |
| CN112073881A (en) * | 2020-09-02 | 2020-12-11 | 苏州上声电子股份有限公司 | Loudspeaker with multiple sound cones |
| CN213342571U (en) * | 2020-09-25 | 2021-06-01 | 瑞声科技(新加坡)有限公司 | Loudspeaker box and mobile terminal |
| CN213342568U (en) * | 2020-09-25 | 2021-06-01 | 瑞声科技(新加坡)有限公司 | Loudspeaker box and mobile terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100481722C (en) * | 2002-06-05 | 2009-04-22 | 索尼克焦点公司 | System and method for enhancing delivered sound in acoustical virtual reality |
| CN100553369C (en) * | 2004-10-29 | 2009-10-21 | 雅马哈株式会社 | Speaker system, audio frequency amplifier and audio system |
| CN100592653C (en) * | 2002-07-19 | 2010-02-24 | 索尼爱立信移动通讯股份有限公司 | Portable audio playback device with bass enhancement |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6424719B1 (en) * | 1999-07-29 | 2002-07-23 | Lucent Technologies Inc. | Acoustic crosstalk cancellation system |
| JP4716238B2 (en) * | 2000-09-27 | 2011-07-06 | 日本電気株式会社 | Sound reproduction system and method for portable terminal device |
| US7483543B2 (en) * | 2003-01-06 | 2009-01-27 | Motorola, Inc. | Stereo imaging manifold and method for use in a portable electronic device |
| KR100645530B1 (en) * | 2005-07-28 | 2006-11-14 | 삼성전자주식회사 | Stereo speaker equipment having acoustic filter for improving low frequency property |
| ES2404563T3 (en) * | 2008-02-14 | 2013-05-28 | Dolby Laboratories Licensing Corporation | Stereo Expansion |
| US8260343B2 (en) * | 2008-11-06 | 2012-09-04 | Sony Ericsson Mobile Communications Ab | Electronic devices including vertically mounted loudspeakers and related assemblies and methods |
-
2013
- 2013-07-18 CN CN201310302489.3A patent/CN103369431B/en active Active
-
2014
- 2014-07-16 US US14/332,515 patent/US9288600B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100481722C (en) * | 2002-06-05 | 2009-04-22 | 索尼克焦点公司 | System and method for enhancing delivered sound in acoustical virtual reality |
| CN100592653C (en) * | 2002-07-19 | 2010-02-24 | 索尼爱立信移动通讯股份有限公司 | Portable audio playback device with bass enhancement |
| CN100553369C (en) * | 2004-10-29 | 2009-10-21 | 雅马哈株式会社 | Speaker system, audio frequency amplifier and audio system |
Also Published As
| Publication number | Publication date |
|---|---|
| US9288600B2 (en) | 2016-03-15 |
| US20150023506A1 (en) | 2015-01-22 |
| CN103369431A (en) | 2013-10-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103369431B (en) | Sonification system | |
| WO2006130636A3 (en) | Compact audio reproduction system with large perceived acoustic size and image | |
| CN204741556U (en) | Stereo audio amplifier and combination of stereo audio amplifier | |
| CN204681595U (en) | Sonification system and apply the mobile communication equipment of described sonification system | |
| CN206117997U (en) | Novel acoustic frequency directional loudspeaker | |
| EP3496419B1 (en) | Combination phase plug, and compression driver and speaker using same | |
| CN109040384A (en) | Stereosonic mobile terminal can be achieved | |
| CN106170114A (en) | Control method, device and the audio-frequence player device of a kind of audio frequency output | |
| CN202663536U (en) | Built-in television full frequency speaker | |
| CN217216874U (en) | Speaker device and electronic apparatus | |
| CN202535516U (en) | Combined loudspeaker box | |
| CN202183846U (en) | Ultrathin bar-shaped acoustic device | |
| CN207427449U (en) | The integrated-type intelligent cinema system realized based on Doby | |
| CN203301725U (en) | Sounding device | |
| CN202435603U (en) | Moving-coil dynamic loudspeaker | |
| CN203596866U (en) | Audio transmission circuit and TV set | |
| CN201303389Y (en) | Narrow frame split type television | |
| CN107517430B (en) | Double-washer micro loudspeaker | |
| CN204350232U (en) | A kind of shockproof anti-interference audio amplifier | |
| CN108833815A (en) | TV set built-in sound box and television set | |
| CN209949405U (en) | Moving coil flat plate composite electroacoustic transducer | |
| CN203193841U (en) | An in-ear earphone with multiple dynamic driving units | |
| CN209949430U (en) | Moving coil flat plate composite electroacoustic transducer | |
| CN203086716U (en) | Stereo loudspeaker box | |
| CN207869376U (en) | Loud speaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |